65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 676 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Caldwell, ID (2026)
37 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Caldwell: Express Septic & Drain Cleaning, CR Score 65/100; 4.9★ from 676 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Express Septic & Drain Cleaning, posts 24/7 hours; ranked #2 of 37.
- 13
Most-reviewed: Perfect Plumbing Heating & Air, 5,442 Google reviews at 4.8★, the most of 37 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
37 Caldwell septic service companies are ranked here by CR Score, from ten published factors. 24 are open 24/7, 27 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.9★ across 37 rated businesses.
Top 10 septic service companies in Caldwell at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Express Septic & Drain Cleaning | 65 | 4.9★ (676) | Caldwell | 24/7 | Overall |
| 2 | Express Septic & Drain Cleaning | 63 | 4.9★ (646) | Nampa, 9 mi away | 24/7 | Emergencies |
| 3 | ABC Pumping Service | 62 | 5.0★ (816) | Meridian, 16 mi away | 24/7 | — |
| 4 | American Septic & Sewer | 60 | 5.0★ (22) | Caldwell | 24/7 | — |
| 5 | Canyon Septic Services LLC | 59 | 5.0★ (90) | Caldwell | 24/7 | — |
| 6 | Express Septic & Drain Cleaning | 59 | 4.9★ (550) | Boise, 22 mi away | 24/7 | — |
| 7 | Mike's Septic & Drain | 59 | 5.0★ (10) | Caldwell | 24/7 | — |
| 8 | Beacon Plumbing, Heating, Air-Conditioning, and Electrical, Inc | 58 | 5.0★ (320) | Caldwell | 24/7 | — |
| 9 | ABC Pumping Service | 58 | 4.8★ (22) | Nampa, 7 mi away | 24/7 | — |
| 10 | Qube Septic | 58 | 5.0★ (38) | Nampa, 13 mi away | 24/7 | — |
The 37 best septic service companies in Caldwell, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Nampa, 9 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 646 Google reviews, listed on Google as “Septic system service”.
Based in Meridian, 16 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 816 Google reviews, listed on Google as “Septic system service”.
Based in Caldwell
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Septic system service”.
Based in Caldwell
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Septic system service”.
Based in Boise, 22 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 550 Google reviews, listed on Google as “Septic system service”.
Based in Caldwell
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based in Caldwell
58/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 320 Google reviews.
Based in Nampa, 7 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Septic system service”.
#10 Qube Septic
Based in Nampa, 13 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Septic system service”.
Based in Caldwell
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Septic system service”.
Based in Boise, 22 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “Septic system service”.
Based in Garden City, 22 mi away
56/100CR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 5,442 Google reviews, the most in Caldwell.
#14 Master Plumbing
Based in Nampa, 6 mi away
55/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 196 Google reviews.
Based in Nampa, 8 mi away
55/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 213 Google reviews.
Based in Caldwell
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Septic system service”.
Based in Eagle, 17 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based in Caldwell
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Plumber”.
Based in Meridian, 15 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Plumber”.
Based in Boise, 22 mi away
54/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 1,281 Google reviews.
#21 Prime Plumbing
Based in Caldwell
54/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 786 Google reviews.
#22 Master Plumbing
Based in Boise, 20 mi away
54/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 564 Google reviews.
Based in Meridian, 15 mi away
54/100CR ScoreRanked #23 because of its Google rating and review volume: 4.8★ from 346 Google reviews.
Based in Nampa, 11 mi away
53/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 57 Google reviews, open 24/7.
#25 Master Plumbing
Based in Eagle, 17 mi away
53/100CR ScoreRanked #25 because of its Google rating and review volume: 4.9★ from 163 Google reviews.
All 37 septic service companies
#1 to #25 are shown in full above. Here are #26 to #37, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Deadwood Excavation & Agriculture | Septic System Service | 53 | 5.0★ (12) | 15 mi |
| 27 | A+ Drain Cleaning & Plumbing | 52 | 4.8★ (561) | 6 mi |
| 28 | Treasure Valley Septic Services | 50 | 5.0★ (4) | 18 mi |
| 29 | Alternative Wastewater Systems, LLC | 49 | 1.5★ (4) | 10 mi |
| 30 | Nampa Septic Services | 48 | 5.0★ (10) | 17 mi |
| 31 | Crossflow Plumbing | 47 | 5.0★ (7) | 14 mi |
| 32 | JJD Water Sewer Septic | 47 | 5.0★ (5) | 19 mi |
| 33 | Fitzgerald Mechanical, Septic, & Excavation | 46 | 4.3★ (12) | 14 mi |
| 34 | United Site Services | 46 | 2.5★ (30) | 23 mi |
| 35 | The Fix It Guy | 45 | 4.7★ (19) | 25 mi |
| 36 | Steady Earthworks, LLC | 45 | 5.0★ (26) | 15 mi |
| 37 | A Sewer Services | 45 | 4.3★ (3) | 20 mi |
Also serving Caldwell
10 more septic service companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Black Water Solutions, LLC | 5.0★ (2) | 12 mi |
| Eells Excavation, LLC | 5.0★ (1) | In Caldwell |
| Elite Sewer and Drain | In Caldwell | |
| JMH Construction and Excavation Services | 15 mi | |
| Last Call Backhoe | 14 mi | |
| Nampa Drain & Septic Inc | 5.0★ (2) | 9 mi |
| Plumbing Solutions of Boise | 20 mi | |
| SepticPro | 11 mi | |
| Star Sewer & Water | 2.5★ (2) | 11 mi |
| Sweet's Sewer Drain & Cleaning | 3.0★ (2) | 25 mi |
How we ranked Caldwell septic service companies
We scored 37 Caldwell septic service companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Caldwell data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Septic service companies in Caldwell: frequently asked questions
Who is the best septic service company in Caldwell?
By CR Score, the highest-ranked septic service company in Caldwell, ID is Express Septic & Drain Cleaning with a CR Score of 65/100. It has 4.9★ from 676 Google reviews. It is open 24/7. Express Septic & Drain Cleaning (#2) and ABC Pumping Service (#3) follow. We ranked 37 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Caldwell?
ContractorsRanked ranks 37 septic service companies serving Caldwell, ID. 9 of them are based in Caldwell; the rest serve it from nearby towns. Another 10 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Caldwell are open 24/7?
24 ranked septic service companies in Caldwell post 24/7 hours. The highest-ranked are Express Septic & Drain Cleaning (#1), Express Septic & Drain Cleaning (#2) and ABC Pumping Service (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Caldwell work on weekends?
27 of 37 ranked septic service companies post Saturday hours and 22 post Sunday hours. The highest-ranked open Saturdays are Express Septic & Drain Cleaning (#1), Express Septic & Drain Cleaning (#2) and ABC Pumping Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Caldwell septic service companies have?
The median Google rating among 37 rated septic service companies in Caldwell is 4.9★, with a median of 38 reviews. Perfect Plumbing Heating & Air has the most, 5,442 reviews, and ranks #13. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank septic service companies?
Each septic service company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do septic service companies outside Caldwell count in this ranking?
Yes, if they are within 25 mi of the Caldwell city center, our service radius for septic service companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can septic service companies pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Caldwell
- November 2026: CR Scores recalculated for 37 septic service companies serving Caldwell.
More septic service companies and Caldwell pages
Septic service companies near Caldwell
- Septic service companies in Middleton, ID37 ranked
- Septic service companies in Star, ID36 ranked
- Septic service companies in Nampa, ID36 ranked
- Septic service companies in Meridian, ID38 ranked
- Septic service companies in Eagle, ID37 ranked
- Septic service companies in Emmett, ID34 ranked
- Septic service companies in Kuna, ID36 ranked
- Septic service companies in Garden City, ID37 ranked
- Septic service companies in Boise, ID37 ranked
Other trades in Caldwell
- Roofers in Caldwell201 ranked
- Plumbers in Caldwell259 ranked
- Electricians in Caldwell181 ranked
- HVAC contractors in Caldwell210 ranked
- General contractors in Caldwell272 ranked
- Painters in Caldwell110 ranked
- Landscapers in Caldwell165 ranked
- Handymen in Caldwell99 ranked
- Kitchen remodelers in Caldwell117 ranked
- Bathroom remodelers in Caldwell136 ranked
- Flooring contractors in Caldwell120 ranked
- Tile installers in Caldwell43 ranked
- Drywall contractors in Caldwell21 ranked
- Concrete contractors in Caldwell157 ranked
- Fence contractors in Caldwell83 ranked
- Deck builders in Caldwell60 ranked
- Siding contractors in Caldwell61 ranked
- Window installers in Caldwell106 ranked
- Gutter installers in Caldwell131 ranked
- Insulation contractors in Caldwell29 ranked
- Solar installers in Caldwell50 ranked
- Garage door repair companies in Caldwell45 ranked
- Foundation repair companies in Caldwell21 ranked
- Tree services in Caldwell123 ranked
- Masonry contractors in Caldwell52 ranked
- Water damage restoration companies in Caldwell125 ranked
- Home builders in Caldwell208 ranked
- Demolition contractors in Caldwell32 ranked
- Window cleaners in Caldwell82 ranked
- Pressure washing companies in Caldwell55 ranked
- Pest control companies in Caldwell148 ranked
- Paving contractors in Caldwell56 ranked
- Auto glass repair shops in Caldwell66 ranked
- Excavating contractors in Caldwell102 ranked
- Pool builders in Caldwell42 ranked
- All contractors in Caldwell